Method:1. Wash the meat and keep aside to drain.2. Combine the marinade ingredients and mix into the meat.3. Set it aside in the fridge for a few hours.4. Remove and place the meat with its marinade in a pressure cooker with 6 tblsp of oil.5. Add the ground ingredients over the meat.6. Fry for about 15 minutes.7. Add 1/2 cup of water and then pressure cook for 15 minutes.8. Open the cooker and allow it to simmer till the gravy is reduced and oil separates.9. Add the vinegar and simmer for a few minutes.10. Heat 4 tblsp oil in a pan over moderate heat.11. Add the dried red chillies, curry leaves and salt.12. Fry for 10 seconds.13. Pour this mixture on to the meat.14. Simmer for 4 to 5 minutes.15. Remove and Serve.